In sweet potato, vegetative propagation takes place through_________.

Explanation

**Step-by-Step Solution:**

1. **Understand the Concept of Vegetative Propagation**:
- Vegetative propagation is a type of asexual reproduction where new plants grow from parts of the parent plant, such as roots, stems, or leaves.

2. **Identify the Plant in Question**:
- The question specifically asks about sweet potato.

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